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双折射材料的温度修正 Birefringent Material Temperature Modification <}@*i (V:z7 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: |#_ F V!Px975P 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline Md4hd#z 00?_10x) 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline % Rv;e \; 9log<Z 3.Loop over the baseline material samples and determine the number of wavelength entries ~]MACG:' KlMSkdmW 4.Loop over each sampled wavelength entry in the baseline material ,G q? @B@`V F a.Modify the ordinary and extraordinary refractive index values using (2) above xnuu#@f r~K5jL%z9 b.Apply the modified values to the non-baseline material KI@OEy }#u.Of`6" 5.Set a description on the non-baseline material indicating the temperature change from baseline @>r3=s.Q A#yZh\# 脚本编程及GUI例程请下载链接: H2ZRUFu Y<4%4>a http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs >FVBn;1 [MQU~+] http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd TpB4VNi/< qhdY<[6 f: j9ze QQ:2987619807 FZvh]ZX
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